2 cups Sifted All-purpose Flour 250g
½ tsp Cream Of Tartar 1.5g
1½ tsp Baking Powder 6.9g
8 Eggs 352g
⅛ tsp Salt 0.75g
6 Egg Yolks 102g
2 cups White Sugar 400g
3 tbsps Grated Lemon Zest 18g
4 Lemons Juiced 232g
½ cup Butter 113.5g
¼ cup Butter 56.75g
6 cups Sifted Confectioners' Sugar 720g
1 Egg Yolk 17g
2 tbsps Lemon Juice 30.5g
4 tbsps Orange Juice 62.24g
1½ tbsps Grated Lemon Zest 9g
3 tbsps Grated Orange Zest